18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci# 38c2ecf20Sopenharmony_ci# This Kconfig describes xen options 48c2ecf20Sopenharmony_ci# 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ciconfig XEN 78c2ecf20Sopenharmony_ci bool "Xen guest support" 88c2ecf20Sopenharmony_ci depends on PARAVIRT 98c2ecf20Sopenharmony_ci select PARAVIRT_CLOCK 108c2ecf20Sopenharmony_ci select X86_HV_CALLBACK_VECTOR 118c2ecf20Sopenharmony_ci depends on X86_64 || (X86_32 && X86_PAE) 128c2ecf20Sopenharmony_ci depends on X86_LOCAL_APIC && X86_TSC 138c2ecf20Sopenharmony_ci help 148c2ecf20Sopenharmony_ci This is the Linux Xen port. Enabling this will allow the 158c2ecf20Sopenharmony_ci kernel to boot in a paravirtualized environment under the 168c2ecf20Sopenharmony_ci Xen hypervisor. 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciconfig XEN_PV 198c2ecf20Sopenharmony_ci bool "Xen PV guest support" 208c2ecf20Sopenharmony_ci default y 218c2ecf20Sopenharmony_ci depends on XEN 228c2ecf20Sopenharmony_ci depends on X86_64 238c2ecf20Sopenharmony_ci select PARAVIRT_XXL 248c2ecf20Sopenharmony_ci select XEN_HAVE_PVMMU 258c2ecf20Sopenharmony_ci select XEN_HAVE_VPMU 268c2ecf20Sopenharmony_ci help 278c2ecf20Sopenharmony_ci Support running as a Xen PV guest. 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ciconfig XEN_PV_SMP 308c2ecf20Sopenharmony_ci def_bool y 318c2ecf20Sopenharmony_ci depends on XEN_PV && SMP 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ciconfig XEN_DOM0 348c2ecf20Sopenharmony_ci bool "Xen PV Dom0 support" 358c2ecf20Sopenharmony_ci default y 368c2ecf20Sopenharmony_ci depends on XEN_PV && PCI_XEN && SWIOTLB_XEN 378c2ecf20Sopenharmony_ci depends on X86_IO_APIC && ACPI && PCI 388c2ecf20Sopenharmony_ci help 398c2ecf20Sopenharmony_ci Support running as a Xen PV Dom0 guest. 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ciconfig XEN_PVHVM 428c2ecf20Sopenharmony_ci bool "Xen PVHVM guest support" 438c2ecf20Sopenharmony_ci default y 448c2ecf20Sopenharmony_ci depends on XEN && PCI && X86_LOCAL_APIC 458c2ecf20Sopenharmony_ci help 468c2ecf20Sopenharmony_ci Support running as a Xen PVHVM guest. 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ciconfig XEN_PVHVM_SMP 498c2ecf20Sopenharmony_ci def_bool y 508c2ecf20Sopenharmony_ci depends on XEN_PVHVM && SMP 518c2ecf20Sopenharmony_ci 528c2ecf20Sopenharmony_ciconfig XEN_512GB 538c2ecf20Sopenharmony_ci bool "Limit Xen pv-domain memory to 512GB" 548c2ecf20Sopenharmony_ci depends on XEN_PV 558c2ecf20Sopenharmony_ci default y 568c2ecf20Sopenharmony_ci help 578c2ecf20Sopenharmony_ci Limit paravirtualized user domains to 512GB of RAM. 588c2ecf20Sopenharmony_ci 598c2ecf20Sopenharmony_ci The Xen tools and crash dump analysis tools might not support 608c2ecf20Sopenharmony_ci pv-domains with more than 512 GB of RAM. This option controls the 618c2ecf20Sopenharmony_ci default setting of the kernel to use only up to 512 GB or more. 628c2ecf20Sopenharmony_ci It is always possible to change the default via specifying the 638c2ecf20Sopenharmony_ci boot parameter "xen_512gb_limit". 648c2ecf20Sopenharmony_ci 658c2ecf20Sopenharmony_ciconfig XEN_SAVE_RESTORE 668c2ecf20Sopenharmony_ci bool 678c2ecf20Sopenharmony_ci depends on XEN 688c2ecf20Sopenharmony_ci select HIBERNATE_CALLBACKS 698c2ecf20Sopenharmony_ci default y 708c2ecf20Sopenharmony_ci 718c2ecf20Sopenharmony_ciconfig XEN_DEBUG_FS 728c2ecf20Sopenharmony_ci bool "Enable Xen debug and tuning parameters in debugfs" 738c2ecf20Sopenharmony_ci depends on XEN && DEBUG_FS 748c2ecf20Sopenharmony_ci help 758c2ecf20Sopenharmony_ci Enable statistics output and various tuning options in debugfs. 768c2ecf20Sopenharmony_ci Enabling this option may incur a significant performance overhead. 778c2ecf20Sopenharmony_ci 788c2ecf20Sopenharmony_ciconfig XEN_PVH 798c2ecf20Sopenharmony_ci bool "Support for running as a Xen PVH guest" 808c2ecf20Sopenharmony_ci depends on XEN && XEN_PVHVM && ACPI 818c2ecf20Sopenharmony_ci select PVH 828c2ecf20Sopenharmony_ci def_bool n 83